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Full text of "Design"

PVC Two-Faced Clock 



I 



Make Projects 



build, hack, tweak, share, discover, J 



PVC Two-Faced Clock 



Written By: Larry Cotton 



f TOOLS: 



© PARTS: 



Combination square (1) 

Drill and bits (1) 

File or high-speed rotary tool (1) 
such as a D rem el 

Hot glue gun (1) 

Jigsaw (1) 

for cutting plywood 

Marking compass (1) 

Measuring tape (1) 

Saw(1) 

for cutting plastic pipe. Handheld saws 
will work, but we recommend a band 
saw or a table saw with a miter gauge 
and a fine- toothed blade. 

Screwdriver (1) 



Clock movements (2) 

for 12- or 24-hour time. 24-hour 

movements at klockit. com. 

PVC fitting for 4" ID piped) 

Lowe's #24124. This has a 1/8" wall at 

the openings. 

Plywood (2) 

Hardboard (2) 

or dry-erase board 

Photo paper (1) 

Sheet metal screws (2) 

Batteries (2) 

Spray paint (1) 

various colors. If you're using primer, 
you can use most any paint. To skip the 
primer, use Krylon Fusion or Rust- 
Oleum Paint for Plastic; they're 
formulated to bond directly to plastic. 

Spray automotive primer (1) 
Rust- Oleum or equivalent 



© Make Projects 



www.makeprojects.com 



Page 1 of 5 



PVC Two-Faced Clock 



Automotive body filler putty and/or 

automotive glaze (1) 

such as Bondo filler or DuPont 315 glaze 

Sandpaper (1) 

Masking tape (1) 

Hot glue and/or epoxy (1) 



SUMMARY 

By Larry Cotton and Phil Bowie 

Humble PVC drain pipe is cheap, widely available, easy to work with, and almost endlessly 
useful for making everything from patio furniture to elegant sculptures. 

If you and a friend or relative live in different time zones, keep track with this two-faced 
clock. The housing is a 45° PVC elbow for 4" ID pipe. Be sure to get the lighter one with 1" 
walls. The clock movements are the ubiquitous AA-battery plastic boxes. Remove them from 
old clocks or buy them online. 

The Two-Faced Clock is part of a series of four family-friendly projects that use 3"- or 4"-ID 
(inside diameter) PVC pipe. In a weekend you can easily make all four: a two-faced clock to 
help you remember friends in another time zone, a kids' table with a dry-erase top and 
matching stool, a hanging planter , and an accent lamp that seems to float on light. 

You can make them with handheld tools, but bench tools such as a band saw or table saw 
with a fine-toothed blade work best for making square and accurate cuts. PVC also bends 
easily when heated in boiling water, which opens up all kinds of new shapes and design 
possibilities. 

If cutting pipe from a 10' length, ask a friend to help support it. Use a face mask and ear 
protection for cutting and sanding. 

Fill any dings with automotive body filler and/or glaze. Then sand the pipe parts with 180-grit 
sandpaper, prime, and paint. If you want to skip the primer, there are new spray paints that 
adhere directly to plastic. 



© Make Projects 



www.makeprojects.com 



Page 2 of 5 



PVC Two-Faced Clock 








• WARNING: PVC pipe tends to roll while cutting on a table saw, so hold it firmly and 
cut slowly. Gripper gloves help. For cutting off sections on a table saw, set the 
blade just slightly higher than the pipe wall thickness. Don't use a ruler or tape to set blade 
height; instead, make trial cuts in a scrap of wood and measure the cuts. Always wear eye 
protection when using power saws. 

• Cut two W plywood spacers to slip-fit into the elbow ends and core them out with a jigsaw 
or band saw to clear the clock movements. 

• Cut 2 disks from dry-erase board to slip-fit on top of the spacers. Sand the edges. 

• To drill the exact center of a disk, you can draw 2 chords, bisect them with perpendicular 
lines, and drill where the lines intersect. 



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Page 3 of 5 



PVC Two-Faced Clock 




i \ i i t i , 




• Use your imagination to design 2 
clock faces, then print them on 
thick paper. Add names to the 
faces to match whichever time 
zone your friend or relative lives in. 

• How about a NASA photo of the 
world? Or make 12-hour and 24- 
hour faces. Or a galaxy, with hands 
painted to resemble meteors? Here 
are a few that we designed; you 
can download them at 
makeprojects.com/v/30 . 

• Glue the faces, backing plates, and 
spacers together. Add the 
movements, mounting nuts, and AA 
batteries. 

• Clip the hands to fit (if necessary), 
push them onto their respective 
spindles, and set their times. 



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www.makeprojects.com 



Page 4 of 5 



PVC Two-Faced Clock 





For more PVC creations, try these other projects! 



PVC Kids' Table and StoolPVC Floating Accent LightPVC Plant Holder 



This project first appeared in MAKE Volume 30 , page 96. 



This document was last generated on 201 2-1 1 -03 06:30:1 8 AM. 



• Orient one face carefully (the seam 
on the elbow can help), then insert 
the assembly into the elbow. Affix it 
with one #6x 1 /2" sheet metal screw. 
Repeat for the other opening. 

• We left our elbow unmodified 
(including bar code label), but here 
are a few suggestions for other 
clocks and bases using PVC pipe. 



© Make Projects 



www.makeprojects.com 



Page 5 of 5